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前言 煤矿工业的发展,在国家工业化的过程中,起着巨大的作用。随着国家工业的飞跃发展,也日益增长了对煤炭的需要。为了使煤的产量不断增加和保证完成国家的计划,研究和改善采煤方法,具有十分重要的意义。 过去对于水平分层采煤方法,很少有人进行分析和研究。但对这一方法的一般概念,都是认为准备和开切的工作量大,工作面生产率低,开采强度小。至于如淮南,开滦、南岭等煤矿所用的水平分层采煤方法,只有与“库兹巴斯厚煤层开采问题”一书中所提的水平分层采煤方法新方案相似外,在其他的论文和教课书中很少讲到,因此更没有进行对这种方案的分析和研究。 为了评价现用水平分层采煤方法,在本文中,根据淮南急倾斜厚煤层的特点,并以在现场实际观测和所收集到的资料为基础,进行了分析与研究,并提出改进的意见。
Preface The development of coal mining industry, in the process of national industrialization, plays a huge role. With the rapid development of national industry, the need for coal is also growing. In order to increase the output of coal and ensure the completion of the national plan, research and improve the mining method, is of great significance. In the past, there was very little analysis and research on horizontal stratified mining methods. However, the general concept of this method is that the workload of preparing and cutting is large, the productivity of working face is low, and the strength of mining is small. As for horizontal stratified mining methods used in such coal mines as Huainan, Kailuan, Nanling, etc., only with the new scheme of horizontal stratified mining method proposed in the book “Problems of Thick Coal Seam in Kuzbass” Few other essays and textbooks are mentioned, so there is no such analysis and research. In order to evaluate the current horizontal stratified mining method, based on the characteristics of Huainan steeply inclined thick coal seam, based on the actual observation and the collected data, the paper analyzes and researches and proposes the improvement suggestion .